/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.aliyun.odps.udf.local.datasource;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import com.aliyun.odps.utils.StringUtils;

public class StdinInputSource extends InputSource {

  private BufferedReader reader;

  public StdinInputSource() {
    reader = new BufferedReader(new InputStreamReader(System.in));
  }

  @Override
  public Object[] getNextRow() throws IOException {
    String line;
    line = reader.readLine();
    if (line == null) {
      return null;
    }
    return StringUtils.split(line, ',');
  }


}
